diff --git a/CompilerChecks.cmake b/CompilerChecks.cmake
index 4fa1a83d16fdf7a7468926e0bb13e07e4f1fec6f..883b03d767da016d48ee97b0bc908c167e3d8a63 100644
--- a/CompilerChecks.cmake
+++ b/CompilerChecks.cmake
@@ -22,7 +22,7 @@ if (UNIX)
     add_c_compiler_flag("-Wshadow" SUPPORTED_COMPILER_FLAGS)
     add_c_compiler_flag("-Wmissing-prototypes" SUPPORTED_COMPILER_FLAGS)
     add_c_compiler_flag("-Wcast-align" SUPPORTED_COMPILER_FLAGS)
-    #add_c_compiler_flag("-Wcast-qual" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wcast-qual" SUPPORTED_COMPILER_FLAGS)
     add_c_compiler_flag("-Werror=address" SUPPORTED_COMPILER_FLAGS)
     add_c_compiler_flag("-Wstrict-prototypes" SUPPORTED_COMPILER_FLAGS)
     add_c_compiler_flag("-Werror=strict-prototypes" SUPPORTED_COMPILER_FLAGS)
diff --git a/src/socket_wrapper.c b/src/socket_wrapper.c
index 44cfad8c6cfd4790ba82a3a76cc91799a28c7466..b63010b3f10740bb4c03c179bc39009df7e1d7e4 100644
--- a/src/socket_wrapper.c
+++ b/src/socket_wrapper.c
@@ -5324,7 +5324,7 @@ union __swrap_cmsghdr {
 	struct cmsghdr *cmsg;
 };
 
-static int swrap_sendmsg_unix_scm_rights(const struct cmsghdr *cmsg,
+static int swrap_sendmsg_unix_scm_rights(struct cmsghdr *cmsg,
 					 uint8_t **cm_data,
 					 size_t *cm_data_space,
 					 int *scm_rights_pipe_fd)
@@ -5556,7 +5556,7 @@ static int swrap_sendmsg_unix_scm_rights(const struct cmsghdr *cmsg,
 	return 0;
 }
 
-static int swrap_sendmsg_unix_sol_socket(const struct cmsghdr *cmsg,
+static int swrap_sendmsg_unix_sol_socket(struct cmsghdr *cmsg,
 					 uint8_t **cm_data,
 					 size_t *cm_data_space,
 					 int *scm_rights_pipe_fd)
@@ -5580,7 +5580,7 @@ static int swrap_sendmsg_unix_sol_socket(const struct cmsghdr *cmsg,
 	return rc;
 }
 
-static int swrap_recvmsg_unix_scm_rights(const struct cmsghdr *cmsg,
+static int swrap_recvmsg_unix_scm_rights(struct cmsghdr *cmsg,
 					 uint8_t **cm_data,
 					 size_t *cm_data_space)
 {
@@ -5859,7 +5859,7 @@ static int swrap_recvmsg_unix_scm_rights(const struct cmsghdr *cmsg,
 	return 0;
 }
 
-static int swrap_recvmsg_unix_sol_socket(const struct cmsghdr *cmsg,
+static int swrap_recvmsg_unix_sol_socket(struct cmsghdr *cmsg,
 					 uint8_t **cm_data,
 					 size_t *cm_data_space)
 {